A random sample of size 15 selected from normal population A has a standard deviation of 80.A second, independent, random sample of size 8 from normal population B has a standard deviation of 100.You will test a null hypothesis that the standard deviations of the two populations are equal, using a 2% significance level.Report the F statistic (F_stat) for the test. A)2.35 B)1.56 C).65 D)1.25

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Quizplus · Accepted Answer

The F statistic is calculated as the ratio of the variances of the two samples. Here, F = (100^2 / 80^2) = 1.56.

A Random Sample of Size 15 Selected from Normal Population